1162205553 has 4 divisors (see below), whose sum is σ = 1549607408. Its totient is φ = 774803700.

The previous prime is 1162205543. The next prime is 1162205573. The reversal of 1162205553 is 3555022611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1162205553 - 2¹⁰ = 1162204529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1162205553.

It is not an unprimeable number, because it can be changed into a prime (1162205543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193700923 + ... + 193700928.

It is an arithmetic number, because the mean of its divisors is an integer number (387401852).

Almost surely, 2^1162205553 is an apocalyptic number.

It is an amenable number.

1162205553 is a deficient number, since it is larger than the sum of its proper divisors (387401855).

1162205553 is an equidigital number, since it uses as much as digits as its factorization.

1162205553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387401854.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 1162205553 is about 34091.1359886995. The cubic root of 1162205553 is about 1051.3830762568.

The spelling of 1162205553 in words is "one billion, one hundred sixty-two million, two hundred five thousand, five hundred fifty-three".